/*
 * @Description: In User Settings Edit
 * @Author: your name
 * @Date: 2019-07-15 13:50:44
 * @LastEditTime : 2020-01-13 15:41:13
 * @LastEditors  : konglingzhan
 */
'use strict'
const path = require('path')
const autoprefixer = require("autoprefixer");
const pxtorem = require("postcss-pxtorem");
const CompressionPlugin = require("compression-webpack-plugin")
// const defaultSettings = require('./src/settings.js')

function resolve (dir) {
  return path.join(__dirname, dir)
}
// const name = defaultSettings.title || 'vue Element Admin' // page title
const name = 'vue Element Admin' // page title
// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
const port = 9588 // dev port
const address = require('address');
const host = address.ip();

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/'
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  // publicPath in online development fill '../cisc'
  // publicPath: process.env.ENV === 'development' ? './' : '../cisc',
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,
  devServer: {
    host: host,
    port: port,
    open: true,
    overlay: {
      warnings: false,
      errors: true
    },
    //设置代理解决跨域问题
    proxy: {
      '/hello': {
        target:'http://localhost:4000',
        changeOrign: true,
        pathRewrite: {
          '^/hello': '/hello'
        }
      },
      [process.env.VUE_APP_BASE_API]: {
        target: `http://127.0.0.1:${port}/mock`,
        changeOrigin: true,
        pathRewrite: {
          ['^' + process.env.VUE_APP_BASE_API]: ''
        }
      }
    }
    // after: require('./mock/mock-server.js')
  },
  configureWebpack: config => {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    if (process.env.NODE_ENV === 'production') {
      return {
        plugins: [
          new CompressionPlugin({
            test: /\.js$|\.html$|.\css/, // 匹配文件名
            threshold: 10240, // 对超过10k的数据压缩
            deleteOriginalAssets: false // 不删除源文件
          })
        ]
      }
    } else {
      return {
        name: name,
        resolve: {
          alias: {
            '@': resolve('src')
          }
        }
      }
    }
  },
  chainWebpack (config) {
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test

    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development',
        config => config.devtool('cheap-source-map')
      )

    config
      .when(process.env.NODE_ENV !== 'development',
        config => {
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
              // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }])
            .end()
          config
            .optimization.splitChunks({
              chunks: 'all',
              cacheGroups: {
                // libs: {
                //   name: 'chunk-libs',
                //   test: /[\\/]node_modules[\\/]/,
                //   priority: 10,
                //   chunks: 'initial' // only package third parties that are initially dependent
                // },
                // elementUI: {
                //   name: 'chunk-elementUI', // split elementUI into a single package
                //   priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                //   test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                // },
                commons: {
                  name: 'chunk-commons',
                  test: resolve('src/components'), // can customize your rules
                  minChunks: 3, //  minimum common number
                  priority: 5,
                  reuseExistingChunk: true
                }
              }
            })
          config.optimization.runtimeChunk('single')
        }
      )
  },
  css: {
    loaderOptions: {
      postcss: {
        plugins: [
          autoprefixer(),
          pxtorem({
            rootValue: 37.5, // 结果为：设计稿元素尺寸/16，比如元素宽320px,最终页面会换算成 20rem
            propList: ["*"]
          })
        ]
      }
      // less: {
      //   modifyVars: {
      //     red: '#03a9f4',
      //     blue: '#3eaf7c',
      //     orange: '#f08d49',
      //     'text-color': '#111'
      //   }
      // }
    }
  }
}
